Home / 41,986.71-62,981.28-10,821.96

Finding the Fourth Proportional to 41,986.71, 62,981.28 and 10,821.96

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Solution

The fourth proportional to 41,986.71, 62,981.28 and 10,821.96 is: 16,233.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,986.71 : 62,981.28 = 10,821.96 : x
  2. Step 2: Convert to fraction form
    41,986.71/62,981.28 = 10,821.96/x
  3. Step 3: Cross multiply
    41,986.71x = 62,981.28 × 10,821.96
  4. Step 4: Simplify right side
    41,986.71x = 681,580,892.91
  5. Step 5: Solve for x
    x = 681,580,892.91/41,986.71
  6. Step 6: Final answer
    x = 16,233.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.